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Phonak I90 Sphere connection problems with Windows 11 PC

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Hi,

I’m having a problem connecting my Phonak Infinio Sphere I90 hearing aids to my Lenovo PC via Bluetooth.

Pairing the hearing aids with the PC works fine, and I can also select them as the audio output device without any issues. All the necessary Windows settings appear to be correct for audio streaming to the hearing aids (and I’m fairly technical, so I’ve already gone through the usual troubleshooting steps).

The problem is that no sound is actually being transmitted to the hearing aids.

When I test the audio output in Windows, the volume meter moves as if audio is being sent, but I hear nothing in the hearing aids. All volume settings on both the PC and the hearing aids are turned up appropriately.

I’ve already tried the standard fixes:

  • Removed and re-paired the hearing aids

  • Restarted the PC

  • Checked and adjusted all relevant audio settings

  • Verified that Windows 11 and all drivers/software are fully up to date

Despite this, there’s still no audio coming through the hearing aids.

Has anyone experienced something similar or found a solution? Any suggestions would be greatly appreciated.

Thanks!

If you haven’t already, you could try pairing the PC to some other Bluetooth device. That should give a clue if the problem is the PC or the aids. Also verify that the aids connect to other Bluetooth sources.

We have TV connectors on two PCs and the TV. Occasionally after muting or pausing the audio from the one on the TV, the aids get confused and cycling the program button gets the audio back on track. In case something like that is going on you might use whatever button on the aids cycles through the various programs. Probably long press on either side of either button.

I’ve had some quirky things happen with Windows audio. Seems to be more likely when the PC wakes from sleep. Anyway if you’re going to use the connection to the aids much more than a little, a TV connector might be preferable.

Are these Windows issues or Bluetooth board issues? If the latter, does an EPOS help provide more stable Bluetooth and if so does it matter which EPOS adapter?

FWIW I use a cheap TP-Link USB adapter with my Windows laptop and my I90 Spheres and it works flawlessly. Bought it on Amazon. It’s so small that I leave it plugged in permanently.

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